Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

This site has had 8 applications since 2025: 7 approved, 0 refused.

• P/26/0063 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Discharge of condition 3 details of cabling routes of planning permission P/25/0272

  Decided 27 Apr 2026 Conditions
• P/25/0330 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approve drainage scheme

  Decided 15 Jun 2026 Heritage and listed buildings
• P/25/0283 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Discharge of Condition 5 CEMP of planning permission P25/0178

  Decided 31 Oct 2025 Conditions
• P/25/0284 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Discharge of condition 5 of planning permission P/25/0087

  Decided 31 Oct 2025 Conditions
• P/25/0249 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Discharge of conditions 3 Archaeologist and 4 WPP

  Decided 14 Nov 2025 Conditions
• P/25/0272 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  The proposed works comprise: - Refurbishment of main WCs and secondary, currently disused, WCs. - Upgrades to and expansion of CCTV provision internally. - Upgrades to 2 no. external CCTV cameras - existing fixings to be reused. - Introduction of improved and more energy efficient exhibition lighting. - Installation of Wi-Fi throughout the museum spaces

  Decided 22 Dec 2025 Heritage and listed buildings
• P/25/0248 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Discharge of condition 3 of permission P/25/0087 nominated archaeologist

  Decided 23 Oct 2025 Conditions

1. 1 Apr 2026

   Received by Merthyr Tydfil

2. 10 Apr 2026

   Decision issued: Withdrawn

3. 28 Jul 2026

   Added to PlanIndex

• Application: P/12/0268
• Application: P/12/0309
• Application: P/12/0310
• Application: P/17/0173
• Application: P/17/0317
• Application: P/22/0055
• Application: P/23/0051
• Application: P/25/0087
• Application: P/25/0178
• Application: P/25/0203
• Application: P/25/0248
• Application: P/25/0249
• Application: P/25/0272
• Application: P/25/0283
• Application: P/25/0284
• Application: P/25/0330
• Application: P/26/0063

The applicant withdrew this application before Merthyr Tydfil decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/25/0330 Submitted 12 Dec 2025 50 yards away

  Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approve drainage scheme

  Granted Heritage and listed buildings Windows or glazing 41 docs

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/26/0063 Submitted 24 Mar 2026 50 yards away

  Discharge of condition 3 details of cabling routes of planning permission P/25/0272

  Granted Conditions 7 docs

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/25/0272 Submitted 16 Oct 2025 50 yards away

  The proposed works comprise: - Refurbishment of main WCs and secondary, currently disused, WCs. - Upgrades to and expansion of CCTV provision internally. - Upgrades to 2 no. external CCTV cameras - existing fixings to be reused. - Introduction of improved and more energy efficient exhibition lighting. - Installation of Wi-Fi throughout the museum spaces

  Granted Heritage and listed buildings 18 docs

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/25/0249 Submitted 23 Oct 2025 50 yards away

  Discharge of conditions 3 Archaeologist and 4 WPP

  Granted Conditions 8 docs

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/25/0283 Submitted 30 Oct 2025 50 yards away

  Discharge of Condition 5 CEMP of planning permission P25/0178

  Granted Conditions 5 docs

• Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  P/25/0284 Submitted 30 Oct 2025 100 yards away

  Discharge of condition 5 of planning permission P/25/0087

  Granted Conditions 5 docs

• P/26/0159 Status unknown

  Pentrebach House Duffryn Road Pentrebach Merthyr Tydfil CF48 4BB

  Internal and external refurbishment works to include new lighting, repair works, siting of new walk in unit, new enclosures and other associated works (LBC)

  Received 14 Jul, published by the council 28 Jul 2026 Heritage and listed buildings
• P/26/0134 Status unknown

  Pandy Farm Brecon Road Merthyr Tydfil CF47 8PA

  The change of use and extension to the building complex to create six units of holiday accommodation, along with internal and external works, the creation of a carpark and associated engineering and landscaping works.

  Received 17 Jun, published by the council 28 Jul 2026 Heritage and listed buildings
• P/25/0330 Granted

  Cyfarthfa Castle Cyfarthfa Park Merthyr Tydfil CF47 8RE

  Works to the roof to include new walkways, fixed ladder access, new insulation and associated parapet and clerestory windows. Installation of new gutters and replacement of rainwater goods. Works to external elevation to include replacement windows, new doors and repair or replacement of lintels. Internal works to include the installation of new steel beams, repairs to timber reinforcements, new loft access hatch and bat boxes and minor revisions to the approve drainage scheme

  Received 12 Dec, published by the council 28 Jul 2026 Heritage and listed buildings
• P/26/0079 Status unknown

  73 Nightingale Street Abercanaid Merthyr Tydfil CF48 1EJ

  Single storey rear extension and internal renovations

  Received 13 Apr, published by the council 28 Jul 2026 Heritage and listed buildings
• P/26/0058 Status unknown

  Canolfan Soar Pontmorlais High Street Merthyr Tydfil CF47 8UB

  Creation of a new entrance on the northern elevation, together with replacement sash windows, installation of new external timber doors and renovation of the rendered elevations. Refurbishment of the basement level, including waterproofing of walls and floor, installation of new floor slabs and associated reconfiguration of the internal spaces and installation of a moveable acoustic wall/screen.

  Received 23 Mar, published by the council 28 Jul 2026 Heritage and listed buildings